package chpt02;

public class WrapperDemo {
	public static void main(String[] args) {
		String str1 = "10";
		String str2 = "13.2f";
		int x = Integer.parseInt(str1);
		float f = Float.parseFloat(str2);
		System.out.println("整数乘法：" + (x * x));
		System.out.println("小数乘法：" + (f * f));
	}
}
